(15/14-12/25):23/35 решение

[latex]( \frac{15}{14} - \frac{12}{25} ): \frac{23}{35} =( \frac{15}{14} - \frac{12}{25} ): \frac{23}{35} = \frac{15*25-14*12}{14*25} * \frac{35}{23} = \frac{375-168}{350} * \frac{35}{23} =[/latex][latex] \frac{207}{350} * \frac{35}{23} = \frac{23*9*35}{35*10*23} =\frac{9}{10} [/latex]